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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Basic System) >> Refrigerant Line Removal/Installation (VIN Y) >> Cooler pipe

Cooler pipe

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING (US) .)
  3. Remove the plug hole plate (See PLUG HOLE PLATE REMOVAL/INSTALLATION [(VIN Y) (US)] .)
  4. Detach the clip.
    Fig 1: PCM Component, Engine Ground, Clip, Nuts And Bolts With Torque Specification
    G13559215Courtesy of MAZDA MOTORS CORP.
  5. Remove the bolts.
  6. Disconnect the engine ground.
  7. Remove the nut.
  8. Set the PCM component out of the way.
  9. Remove the nut.
    Fig 2: Cooler Hose (LO) And Nut With Torque Specification
    G13559216Courtesy of MAZDA MOTORS CORP.
  10. Remove the bolt. (See REFRIGERANT LINE REMOVAL NOTE .)
    Fig 3: Cooler Hose (LO), Cooler Pipe And Bolt With Torque Specification
    G13559217Courtesy of MAZDA MOTORS CORP.
  11. Disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.
    CAUTION:
    • If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign matter out of the cycle.
  12. Remove the coolant reserve tank. (See COOLANT RESERVE TANK REMOVAL/INSTALLATION [(VIN Y) (US)] .)
  13. Disconnect the refrigerant pressure sensor connector.
    G13559223Courtesy of MAZDA MOTORS CORP.
  14. Remove the clips.
  15. Remove the bolt. (See REFRIGERANT LINE REMOVAL NOTE .)
    Fig 4: Cooler Pipe And Bolt With Torque Specification
    G13559224Courtesy of MAZDA MOTORS CORP.
  16. Disconnect the cooler pipe. Do not allow compressor oil to spill.
    CAUTION:
    • If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign matter out of the cycle.
  17. Remove the cooler pipe. Do not allow compressor oil to spill.
    G13716377Courtesy of MAZDA MOTORS CORP.
  18. Install in the reverse order of removal. (See REFRIGERANT LINE INSTALLATION NOTE (1) .) (See REFRIGERANT LINE INSTALLATION NOTE (2) .)
  19. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST (US) .)
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